Used for water distribution, the Delaware Aqueduct in New York, USA is the longest tunnel in the world (as of 2010). Drilled through solid rock, it reaches a staggering 137 kilometres (85 miles) in length. More tunnel facts.

Rinsing bacon under cold water before frying can reduce the amount it shrinks by almost 50 percent.

Antarctica holds 90% of the world's fresh water.

AMAZING FACTS